It has been suggested that auditory and visual sequential processing deficits contribute to phonological disorders in developmental dyslexia. As an alternative explanation to a phonological deficit as the proximal cause for reading disorders, the visual attention span hypothesis (VA Span) suggests that difficulties in processing visual elements simultaneously lead to dyslexia, regardless of the...

Sequential organization is central to much of human intelligent behavior ranging from everyday skills such as lacing shoes to using a computer. It is well known that such sequential skills involve chaining a number of primitive actions together.. A robust representation of skills can be formed by chunking together several elements of a sequence. We demonstrate, using a 2x6 finger movement task,...

BACKGROUND This study addresses the question to what extent visual impairment leads to additional disability in adults with intellectual disabilities (ID). METHOD In a multi-centre cross-sectional study of 269 adults with mild to profound ID, social and behavioural functioning was assessed with observant-based questionnaires, prior to expert assessment of visual function. With linear regressi...

PURPOSE 1) To evaluate a vision rehabilitation program aimed at training persons with central vision loss to use a bioptic telescope for improving life skills, including driving and 2) to compare the outcomes of subjects who are given bioptic telescopes and training, with subjects who are prescribed telescopic lenses without training. METHODS Twenty-five subjects ranging in age from 16 to 78 ...